When Economists in the 1980s and 1990s Studied the Impact

When economists in the 1980s and 1990s studied the impact of trade on American ________, they found that the impacts were________ because________.

A) wages; small; most trade was with other high-income countries
B) inflation rates; zero; Americans did not buy imported goods
C) real exchange rates; minimal; goods are not traded
D) service prices; large; of the Balassa-Samuelson effect
E) exports; large; the dollar appreciated sharply